ARIN registry — WHOIS, browse & statistics
A daily mirror of ARIN's public delegated registry (North America). Look up a resource, browse every object, or find a company's resources by name.
Single-resource lookup in ARIN’s delegated registry, enriched live from ARIN RDAP.
// what ARIN has delegated
ARIN registry at a glance
🌐
Assigned IPv4 addresses
1.64B
1,644,584,448
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,472
delegated blocks
🔗
Autonomous systems
34,179
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 66.35.128.0 – 66.35.191.255 | 16,384 |  US |
allocated | 2000-10-24 | 6c065d5b54b8… |
| 66.37.64.0 – 66.37.95.255 | 8,192 | US |
allocated | 2000-10-24 | aba0c2798e47… |
| 66.37.128.0 – 66.37.159.255 | 8,192 | US |
allocated | 2000-10-24 | 81f49939d218… |
| 66.38.0.0 – 66.38.127.255 | 32,768 | US |
allocated | 2000-10-24 | 1b3e1ee9bff8… |
| 66.33.128.0 – 66.33.191.255 | 16,384 | US |
allocated | 2000-10-23 | 278d3043dbec… |
| 66.36.16.0 – 66.36.31.255 | 4,096 | US |
allocated | 2000-10-20 | 6e048190eb9a… |
| 66.37.0.0 – 66.37.31.255 | 8,192 | US |
allocated | 2000-10-20 | 84b1251f3230… |
| 207.188.32.0 – 207.188.63.255 | 8,192 | US |
allocated | 2000-10-18 | ebfe67afa5c6… |
| 216.16.192.0 – 216.16.207.255 | 4,096 | US |
allocated | 2000-10-18 | b8820af9d1df… |
| 216.109.240.0 – 216.109.255.255 | 4,096 | US |
allocated | 2000-10-18 | 60377bc1f34a… |
| 216.82.64.0 – 216.82.127.255 | 16,384 | US |
allocated | 2000-10-17 | 1cb21afb6f24… |
| 216.126.96.0 – 216.126.127.255 | 8,192 |  CA |
allocated | 2000-10-16 | 8c6e4cd4a338… |
| 216.166.192.0 – 216.166.255.255 | 16,384 | US |
allocated | 2000-10-16 | cdb7d42057bd… |
| 66.32.0.0 – 66.32.255.255 | 65,536 | US |
allocated | 2000-10-13 | 6c065d5b54b8… |
| 66.33.7.0 – 66.33.7.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.20.0 – 66.33.20.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.32.0 – 66.33.32.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.36.0 – 66.33.36.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.56.0 – 66.33.56.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.61.0 – 66.33.61.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.63.0 – 66.33.63.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.65.0 – 66.33.65.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.67.0 – 66.33.67.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.69.0 – 66.33.69.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.77.0 – 66.33.77.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.89.0 – 66.33.89.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.94.0 – 66.33.94.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.97.0 – 66.33.97.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.98.0 – 66.33.98.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.33.113.0 – 66.33.113.255 | 256 | CA |
allocated | 2000-10-13 | 3c781914ab27… |
| 66.28.0.0 – 66.28.255.255 | 65,536 | US |
allocated | 2000-10-12 | 37fe01d6d027… |
| 135.8.0.0 – 135.11.255.255 | 262,144 | US |
allocated | 2000-10-11 | fdd873ab735b… |
| 135.122.0.0 – 135.123.255.255 | 131,072 | US |
allocated | 2000-10-11 | fdd873ab735b… |
| 135.124.0.0 – 135.124.255.255 | 65,536 | US |
allocated | 2000-10-11 | fdd873ab735b… |
| 155.184.0.0 – 155.184.255.255 | 65,536 | US |
allocated | 2000-10-11 | fdd873ab735b… |
| 204.17.215.0 – 204.17.215.255 | 256 | US |
allocated | 2000-10-11 | fdd873ab735b… |
| 216.211.128.0 – 216.211.143.255 | 4,096 | US |
allocated | 2000-10-11 | 6e048190eb9a… |
| 216.55.192.0 – 216.55.207.255 | 4,096 | CA |
allocated | 2000-10-10 | 7de51f8320f6… |
| 216.55.216.0 – 216.55.223.255 | 2,048 | CA |
allocated | 2000-10-10 | 7de51f8320f6… |
| 216.55.224.0 – 216.55.239.255 | 4,096 | CA |
allocated | 2000-10-10 | 7de51f8320f6… |
| 216.64.192.0 – 216.64.223.255 | 8,192 | US |
allocated | 2000-10-10 | cdb7d42057bd… |
| 216.222.192.0 – 216.222.207.255 | 4,096 | US |
allocated | 2000-10-09 | a6b65597e29a… |
| 216.222.224.0 – 216.222.255.255 | 8,192 | US |
allocated | 2000-10-09 | e220ed812a4c… |
| 66.27.0.0 – 66.27.255.255 | 65,536 | US |
allocated | 2000-10-06 | d2fc8fbc818f… |
| 207.189.64.0 – 207.189.79.255 | 4,096 | US |
allocated | 2000-10-06 | cdb7d42057bd… |
| 207.189.80.0 – 207.189.87.255 | 2,048 | US |
allocated | 2000-10-06 | 8d94230a2495… |
| 207.189.88.0 – 207.189.95.255 | 2,048 | US |
allocated | 2000-10-06 | cdb7d42057bd… |
| 207.190.192.0 – 207.190.255.255 | 16,384 | US |
allocated | 2000-10-06 | 6c065d5b54b8… |
| 66.8.128.0 – 66.8.255.255 | 32,768 | US |
allocated | 2000-10-05 | d2fc8fbc818f… |
| 216.40.192.0 – 216.40.255.255 | 16,384 | US |
allocated | 2000-10-05 | 5dba07179e25… |
| 65.64.0.0 – 65.71.255.255 | 524,288 | US |
allocated | 2000-10-03 | 81e05477cc28… |
| 209.105.192.0 – 209.105.223.255 | 8,192 | CA |
allocated | 2000-10-03 | 7de51f8320f6… |
| 216.109.192.0 – 216.109.207.255 | 4,096 | US |
allocated | 2000-10-02 | cdd84ebb08e4… |
| 66.26.0.0 – 66.26.255.255 | 65,536 | US |
allocated | 2000-09-29 | d2fc8fbc818f… |
| 216.109.128.0 – 216.109.159.255 | 8,192 | US |
allocated | 2000-09-29 | 67ce42f5d914… |
| 216.109.224.0 – 216.109.239.255 | 4,096 | US |
allocated | 2000-09-29 | c69bc03770f6… |
| 66.24.0.0 – 66.24.255.255 | 65,536 | US |
allocated | 2000-09-28 | d2fc8fbc818f… |
| 66.25.0.0 – 66.25.255.255 | 65,536 | US |
allocated | 2000-09-28 | d2fc8fbc818f… |
| 216.109.112.0 – 216.109.127.255 | 4,096 | US |
allocated | 2000-09-28 | c2dfb9e7c865… |
| 216.109.64.0 – 216.109.95.255 | 8,192 | US |
allocated | 2000-09-27 | cdb7d42057bd… |
| 216.109.96.0 – 216.109.111.255 | 4,096 | US |
allocated | 2000-09-27 | da6aef069836… |
| 216.177.96.0 – 216.177.127.255 | 8,192 | US |
allocated | 2000-09-27 | 37fe01d6d027… |
| 216.227.192.0 – 216.227.207.255 | 4,096 | US |
allocated | 2000-09-27 | cdb7d42057bd… |
| 216.227.224.0 – 216.227.239.255 | 4,096 | US |
allocated | 2000-09-27 | cdb7d42057bd… |
| 216.118.176.0 – 216.118.191.255 | 4,096 | US |
allocated | 2000-09-26 | ff9bc19b5720… |
| 192.25.169.0 – 192.25.169.255 | 256 | US |
allocated | 2000-09-23 | 2c8b2bf4523d… |
| 207.190.64.0 – 207.190.127.255 | 16,384 | US |
allocated | 2000-09-22 | e0fec931ba45… |
| 216.177.64.0 – 216.177.95.255 | 8,192 | US |
allocated | 2000-09-22 | cdb7d42057bd… |
| 66.19.0.0 – 66.19.255.255 | 65,536 | US |
allocated | 2000-09-21 | 6c065d5b54b8… |
| 207.188.64.0 – 207.188.95.255 | 8,192 | CA |
allocated | 2000-09-21 | 5ffb5f0d0de7… |
| 216.223.224.0 – 216.223.239.255 | 4,096 | US |
allocated | 2000-09-21 | 1f28ef36a80b… |
| 216.176.192.0 – 216.176.207.255 | 4,096 | US |
allocated | 2000-09-20 | d537614cb5a4… |
| 216.249.0.0 – 216.249.15.255 | 4,096 | CA |
allocated | 2000-09-20 | 5ffb5f0d0de7… |
| 65.160.0.0 – 65.167.255.255 | 524,288 | US |
allocated | 2000-09-19 | 37fe01d6d027… |
| 65.168.0.0 – 65.171.255.255 | 262,144 | US |
allocated | 2000-09-19 | 37fe01d6d027… |
| 65.172.0.0 – 65.173.255.255 | 131,072 | US |
allocated | 2000-09-19 | 37fe01d6d027… |
| 65.174.0.0 – 65.174.255.255 | 65,536 | US |
allocated | 2000-09-19 | 37fe01d6d027… |
| 192.65.17.0 – 192.65.17.255 | 256 | US |
allocated | 2000-09-19 | 3b6065616ba6… |
| 192.65.18.0 – 192.65.18.255 | 256 | US |
allocated | 2000-09-19 | 3b6065616ba6… |
| 206.162.192.0 – 206.162.223.255 | 8,192 | US |
allocated | 2000-09-19 | 7104fd65fdf6… |
| 206.176.192.0 – 206.176.223.255 | 8,192 | US |
allocated | 2000-09-19 | 696f2fb6cf50… |
| 216.201.96.0 – 216.201.111.255 | 4,096 | US |
allocated | 2000-09-19 | a6b65597e29a… |
| 216.83.96.0 – 216.83.127.255 | 8,192 | US |
allocated | 2000-09-15 | f1e69b8e49c7… |
| 216.118.160.0 – 216.118.175.255 | 4,096 | US |
allocated | 2000-09-15 | 998df9bc2e38… |
| 66.20.0.0 – 66.21.255.255 | 131,072 | US |
allocated | 2000-09-14 | 81e05477cc28… |
| 209.152.224.0 – 209.152.255.255 | 8,192 | US |
allocated | 2000-09-14 | 9cc18f40afef… |
| 216.83.64.0 – 216.83.79.255 | 4,096 | US |
allocated | 2000-09-14 | 412b54f662be… |
| 216.118.192.0 – 216.118.207.255 | 4,096 | US |
allocated | 2000-09-14 | cdb7d42057bd… |
| 24.159.0.0 – 24.159.255.255 | 65,536 | US |
allocated | 2000-09-08 | 2ae6f8bcdd0f… |
| 216.183.160.0 – 216.183.191.255 | 8,192 | US |
allocated | 2000-09-07 | 1cb21afb6f24… |
| 209.143.160.0 – 209.143.191.255 | 8,192 | US |
allocated | 2000-09-06 | bdd18d0d637e… |
| 209.196.64.0 – 209.196.71.255 | 2,048 | US |
allocated | 2000-09-06 | d538268083a4… |
| 209.196.74.0 – 209.196.75.255 | 512 | US |
allocated | 2000-09-06 | d538268083a4… |
| 209.196.76.0 – 209.196.79.255 | 1,024 | US |
allocated | 2000-09-06 | d538268083a4… |
| 216.23.224.0 – 216.23.239.255 | 4,096 | US |
allocated | 2000-09-06 | 7a43b8579dc2… |
| 216.97.192.0 – 216.97.223.255 | 8,192 | US |
allocated | 2000-09-06 | 14ff47853dfd… |
| 66.7.128.0 – 66.7.191.255 | 16,384 | US |
allocated | 2000-09-05 | a7f7463af3d3… |
| 66.6.96.0 – 66.6.127.255 | 8,192 | US |
allocated | 2000-09-01 | f5f7b3f4a69d… |
| 66.6.128.0 – 66.6.143.255 | 4,096 | US |
allocated | 2000-09-01 | 5139803b9407… |
| 66.10.0.0 – 66.10.255.255 | 65,536 | US |
allocated | 2000-08-31 | 81e05477cc28… |